Concentric AB-D SERIES PUMPS-US-2011-6 2 Displacement per revolution Pictures on front cover are used with the kind permission of eg: Atlet, BT, Huddig, Scania, Toro and Volvo Construction Equipment. Introduction to Concentric D Series Hydraulic Pumps Concentric o ers one of the widest selections of gear pumps and hydraulicmotors in the industry. All Concentric products are designed to provide solutions to our customers’ application challenges. Concentric D Series Hydraulic Pumps are compact, external gear models for use in pumping uids with lubricating qualities. Suitable for use in a wide variety of applications, including agricultural, construction, transmission charge and lube, and diesel fuel transfer. Our D pumps are designed to provide reliable, long life service under rugged conditions. D Series pumps are built with cast iron bodies and hardened steel gears. The Concentric line of D Series pumps covers a displacement range from 0.23 in.3 (3.8 cc) to 1.395 in.3 (22.9 cc). Single, tandem, triple and quadruple con gurations are available. The D Series also o ers a large selection of shaft and ange options tomeet your application requirements. Installation Information FLUIDS- Most premium grade petroleum base uids can be used with the D Series pump. Optimum operating viscosity is 16-63 cSt (80-288 SSU) at maximum rated speed. Minimum operating viscosity is 10 cSt (59 SSU). Maximum operating viscosity is 750 cSt (3409 SSU). Maximum cold start viscosity is 2000 cSt (9091 SSU). Contact Concentric for additional information regarding the D pump performance using other uids. OPERATING TEMPERATURES - Fluid temperature range (Mineral Oil): Max. 93oC (200oF) continuous and Max. 105oC (221oF) intermittent. FILTRATION- Proper ltration is critical to the trouble free operating of any hydraulic system. For optimum pump life at maximum pressure ISO 4406/1986 (Code 18/14) is recommended. A 10-micron lter sized to accommodate full system return ow is recommended for most operating environments. Speci cations and Application Data Minimum speed @ rated pressure Power required @ rated speed & pressure kW 4.7 6.5 6.3 6.7 7.1 6.6 6.9 7.1 7.1 hp 6.3 8.8 8.5 9.0 9.5 8.9 9.3 9.5 9.5 Typical delivery @ rated speed & pressure l/min 13.7 20.6 27.4 34.4 41.1 48.0 54.9 61.7 82.3 gpm 3.6 5.5 7.2 9.1 10.9 12.7 14.5 16.3 21.7 Rated speed @ rated pressure rpm 3600 3600 3600 3600 3600 3600 3600 3600 3600 psi 3000 2750 2000 1700 1500 1200 1100 1000 750 bar 207 190 138 117 103 83 76 69 52 Rated pressure in3 .232 .348 .465 .581 .697 .813 .930 1.043 1.395 cc 3.8 5.7 7.6 9.5 11.4 13.3 15.2 17.1 22.9 Pump size 08 12 16 20 24 28 32 36 48 Model series D Single Pumps rpm 600 600 600 600 600 600 600 600 600 * * This displacement is only available in a tandem pump. quality products for mechanical & fluid power ~ jbj Techniques Limited, www.jbj.co.uk UK distributor for Concentric Hydraulics
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